Document Type and Number:
Japanese Patent JPS51120116
Kind Code:
U
Application Number:
JP4144875U
Publication Date:
September 29, 1976
Filing Date:
March 26, 1975
Export Citation:
International Classes:
G03B23/02; G11B23/08; G11B23/087; (IPC1-7): G11B23/08; G03B23/02
Domestic Patent References:
| JP51106115B |